「You ask of me... to make you a -milk-shake?!」
Hisui-ojousama is suddenly afflicted with the curse of sperm addiction! Her dedicated butler and childhood friend Mashiro Yuki will need to help the princess with her sudden sperm craving.

You do everything in order to help the young lady: semen baths, semen diet, anything goes! Hisui wants it at any given time.